Frequencies for first 10,000 rows of drg6ing3 variable in namcs2004 dataset :

 ingredient |
code #3 for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,990       99.90       99.90
      54035 |          1        0.01       99.91
      54990 |          1        0.01       99.92
      55105 |          3        0.03       99.95
      55480 |          1        0.01       99.96
      56345 |          2        0.02       99.98
      70631 |          1        0.01       99.99
      70799 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016